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[libcxx] implement <experimental/simd> declarations based on P0214R7.

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Summary:
The patch includes all declarations, and also implements the following features:
* ABI.
* narrowing-conversion related SFIANE, including simd<> ctors and (static_)simd_cast.

Reviewers: mclow.lists, EricWF

Subscribers: lichray, sanjoy, MaskRay, cfe-commits

Differential Revision: https://reviews.llvm.org/D41148

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@330627 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Shen
2018-04-23 18:47:07 +00:00
parent efb6d58bf9
commit ac2a43df0f
14 changed files with 1956 additions and 0 deletions
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133
test/std/experimental/simd/simd.traits/is_simd.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <experimental/simd>
//
// [simd.traits]
// template <class T> struct is_simd;
// template <class T> inline constexpr bool is_simd_v = is_simd<T>::value;
#include <cstdint>
#include <experimental/simd>
#include "test_macros.h"
using namespace std::experimental::parallelism_v2;
struct UserType {};
static_assert( is_simd<native_simd<int8_t>>::value, "");
static_assert( is_simd<native_simd<int16_t>>::value, "");
static_assert( is_simd<native_simd<int32_t>>::value, "");
static_assert( is_simd<native_simd<int64_t>>::value, "");
static_assert( is_simd<native_simd<uint8_t>>::value, "");
static_assert( is_simd<native_simd<uint16_t>>::value, "");
static_assert( is_simd<native_simd<uint32_t>>::value, "");
static_assert( is_simd<native_simd<uint64_t>>::value, "");
static_assert( is_simd<native_simd<float>>::value, "");
static_assert( is_simd<native_simd<double>>::value, "");
static_assert( is_simd<fixed_size_simd<int8_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<int16_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<int32_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<int64_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<uint8_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<uint16_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<uint32_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<uint64_t, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<float, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<double, 1>>::value, "");
static_assert( is_simd<fixed_size_simd<int8_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<int16_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<int32_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<int64_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<uint8_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<uint16_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<uint32_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<uint64_t, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<float, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<double, 3>>::value, "");
static_assert( is_simd<fixed_size_simd<int8_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<int16_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<int32_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<int64_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<uint8_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<uint16_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<uint32_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<uint64_t, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<float, 32>>::value, "");
static_assert( is_simd<fixed_size_simd<double, 32>>::value, "");
static_assert(!is_simd<void>::value, "");
static_assert(!is_simd<int>::value, "");
static_assert(!is_simd<float>::value, "");
static_assert(!is_simd<simd_mask<int>>::value, "");
static_assert(!is_simd<simd_mask<float>>::value, "");
static_assert(!is_simd<UserType>::value, "");
#if TEST_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) && \
!defined(_LIBCPP_HAS_NO_INLINE_VARIABLES)
static_assert( is_simd_v<native_simd<int8_t>>, "");
static_assert( is_simd_v<native_simd<int16_t>>, "");
static_assert( is_simd_v<native_simd<int32_t>>, "");
static_assert( is_simd_v<native_simd<int64_t>>, "");
static_assert( is_simd_v<native_simd<uint8_t>>, "");
static_assert( is_simd_v<native_simd<uint16_t>>, "");
static_assert( is_simd_v<native_simd<uint32_t>>, "");
static_assert( is_simd_v<native_simd<uint64_t>>, "");
static_assert( is_simd_v<native_simd<float>>, "");
static_assert( is_simd_v<native_simd<double>>, "");
static_assert( is_simd_v<fixed_size_simd<int8_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<int16_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<int32_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<int64_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<uint8_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<uint16_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<uint32_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<uint64_t, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<float, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<double, 1>>, "");
static_assert( is_simd_v<fixed_size_simd<int8_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<int16_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<int32_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<int64_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<uint8_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<uint16_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<uint32_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<uint64_t, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<float, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<double, 3>>, "");
static_assert( is_simd_v<fixed_size_simd<int8_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<int16_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<int32_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<int64_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<uint8_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<uint16_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<uint32_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<uint64_t, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<float, 32>>, "");
static_assert( is_simd_v<fixed_size_simd<double, 32>>, "");
static_assert(!is_simd_v<void>, "");
static_assert(!is_simd_v<int>, "");
static_assert(!is_simd_v<float>, "");
static_assert(!is_simd_v<simd_mask<int>>, "");
static_assert(!is_simd_v<simd_mask<float>>, "");
static_assert(!is_simd_v<UserType>, "");
#endif
int main() {}